BlackRock Fund Advisors’s ION Geophysical Corporation IO Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2016
Q4
$160K Buy
26,672
+784
+3% +$4.7K ﹤0.01% 3485
2016
Q3
$177K Sell
25,888
-43
-0.2% -$294 ﹤0.01% 3486
2016
Q2
$162K Sell
25,931
-209,558
-89% -$1.31M ﹤0.01% 3529
2016
Q1
$1.9M Sell
235,489
-11,141
-5% -$90K ﹤0.01% 3092
2015
Q4
$1.86M Sell
246,630
-307,475
-55% -$2.32M ﹤0.01% 3164
2015
Q3
$3.24M Buy
554,105
+20,215
+4% +$118K ﹤0.01% 2986
2015
Q2
$8.57M Buy
533,890
+4,577
+0.9% +$73.5K ﹤0.01% 2600
2015
Q1
$17.2M Buy
529,313
+23,129
+5% +$753K ﹤0.01% 2143
2014
Q4
$20.9M Buy
506,184
+65,997
+15% +$2.72M 0.01% 2043
2014
Q3
$18.4M Sell
440,187
-21,000
-5% -$879K 0.01% 2011
2014
Q2
$29.2M Sell
461,187
-32,351
-7% -$2.05M 0.01% 1787
2014
Q1
$31.2M Buy
493,538
+10,847
+2% +$685K 0.01% 1741
2013
Q4
$23.9M Buy
482,691
+11,612
+2% +$575K 0.01% 1892
2013
Q3
$36.7M Buy
471,079
+48,382
+11% +$3.77M 0.01% 1558
2013
Q2
$38.2M Buy
+422,697
New +$38.2M 0.01% 1420